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Chassis Block Diagrams
● TV signal processing circuit
● TV V sign
V
l pro o cessing circuit
TUNER BOARD
4,5
A201
TP-A
ANT
TUNER
1
IF
PRE-
AMP.
11
1
OFF=NTSC
ON=BG/I/DK
1
ON=NTSC
OFF=BG/I/DK
● Digital RGB signal processing circuit
DDC_SCL
INPUT_4
DVI-D
DDC_SDA
RX0+
RX0-
RX1+
RX1-
RX2+
RX2-
RXC+
RXC-
IIC_SCL/SDA
RF AGC MUTE
NTSC=H
13,14
RF-AGC
17
VR201
28
ON=MUTE
IC201
VIF/SIF
X202
<LA75501>
SAW-F
4,5
23,24
VIF
2
20
10
T202
SIF
X203
4
TP-VCO
SAW-F
SIF SYSTEM SW
13pin 14pin
B/G
GND
GND
GND
OPEN
OPEN
GND
OPEN
OPEN
SCL_PC
IC8111
EEPROM
SDA_PC
(PC)
IC8101
SCL_AV
IC8131
EEPROM
SDA_AV
(AV)
DIGITAL
INTERFACE
MCL
MDA
IC2201
C2201
A/D C
A/D CONVERTER,
ONVER
ER,
DVI
DVI RECEIVER
RECEI
ER
RGB_OUT
GB OUT HSYN
HSYNC,
DATACK,DE
VSYNC
<AD9882>
K11D K1D
IIC_SCL/SDA
SIF SYSTEM SW
16
AFT
TP-V
VR202
TV_CV
6
TRAP
6.0MHz
4
SIF
SIF
15
K11E K1E
IF Freq. SW
220K=38.0MHz
4MHz
OPEN=38.9MHz
I
D/K
M/N
CPU BOARD
DDC_SW2
DDC_CLK1
H
L
DDC_DAT1
H
L
H
L
DDC_SW1
DDC_SW2
DDC_CLK2
H
L
DDC_DAT2
H
L
H
L
IC8121
DDC_SW1
DDC_SW1
DDC_SW2
IC8161
EEPROM
(HDCP)
IC8166
C8166
- 74 -
IC8502
EEPROM
8MHz
CLK/DATA
_IN/OUT
36-38
32,34
R/C
10
IC8504
H/V_SYNC
4
1,2
TV CPU
13
14,15
39-42
30
OSD_RGB/BLK
29
K1B
IC202
TB
2
8
AFC
TV_CV
60,61
TV_L/R
IC3400
NICAM
43,44
8
DECODER
K1A
<TDA9875>
24.576MHz
IC301
SCAN
CONVERTER,
SYSTEM
CONTROL
<PW172A>
19
IC1803
OUTPUT
18
EXPANDER
MAIN
BOARD
"K8Z"
AV REAR
BOARD
"K20R"
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